About the Number

128976432

128976431 ← → 128976433

2進数表記:111101100000000011000110000

漢数字表記:一億二千八百九十七万六千四百三十二

素因数分解:

2 4 × 3 1 × 13 1 × 139 1 × 1487 1

素因数の和:1650
約数の個数: 80
約数和(自身を含む): 361643520
約数和(自身を除く): 232667088

約数列:
[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 139, 156, 208, 278, 312, 417, 556, 624, 834, 1112, 1487, 1668, 1807, 2224, 2974, 3336, 3614, 4461, 5421, 5948, 6672, 7228, 8922, 10842, 11896, 14456, 17844, 19331, 21684, 23792, 28912, 35688, 38662, 43368, 57993, 71376, 77324, 86736, 115986, 154648, 206693, 231972, 309296, 413386, 463944, 620079, 826772, 927888, 1240158, 1653544, 2480316, 2687009, 3307088, 4960632, 5374018, 8061027, 9921264, 10748036, 16122054, 21496072, 32244108, 42992144, 64488216, 128976432]

約数ペア:
[(1, 128976432), (2, 64488216), (3, 42992144), (4, 32244108), (6, 21496072), (8, 16122054), (12, 10748036), (13, 9921264), (16, 8061027), (24, 5374018), (26, 4960632), (39, 3307088), (48, 2687009), (52, 2480316), (78, 1653544), (104, 1240158), (139, 927888), (156, 826772), (208, 620079), (278, 463944), (312, 413386), (417, 309296), (556, 231972), (624, 206693), (834, 154648), (1112, 115986), (1487, 86736), (1668, 77324), (1807, 71376), (2224, 57993), (2974, 43368), (3336, 38662), (3614, 35688), (4461, 28912), (5421, 23792), (5948, 21684), (6672, 19331), (7228, 17844), (8922, 14456), (10842, 11896)]

このpageの処理時間: 0.007838249206542969 seconds